完成时的各种时态

2个回答

  • 有现在完成时,过去完成时,将来完成时,过去将来完成时;

    现在完成进行时,过去完成进行时,将来完成进行时,过去将来完成进行时.

    现在完成时:

    1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态.

    2.时间状语:recently,lately,since…for…,in the past few years,etc.

    3.基本结构:have/has + done

    4.否定形式:have/has + not +done.

    5.一般疑问句:have或has.

    6.例句:I've written an article.

    The countryside has changed a lot in the past few years.

    过去完成时:

    1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”.

    2.时间状语:before,by the end of last year(term,month…),etc.

    3.基本结构:had + done.

    4.否定形式:had + not + done.

    5.一般疑问句:had放于句首.

    6.例句:As soon as we got to the station,the train had left.

    By the end of last month.We had reviewed four books

    将来完成时:

    1.概念:在将来某一时刻之前开始的动作或状态

    2.时间状语:by the time of;by the end of+时间短语(将来);by the time+从句(将来)

    3.基本结构:be going to/will/shall + have done

    现在完成进行时:

    1.概念:在过去某一时刻之前开始的动作或状态一直持续到说话为止

    2.基本结构:have/has +been+doing

    过去完成进行时:had been doing

    将来完成进行时:be going to/will/shall + have been doing

    给你列举了几个常用的其他的高一都用不到.

    希望对你有所帮助!